Appendix A Faq - Speco H6HRN User Manual

FAQ
Q1. Why can't I find the HDD?
a. Please check the power and SATA data cables of the HDD to make sure they are well connected.
b. For some DVRs with the 1U or small 1U case, the power of the adapter may be not enough for operating
them. Please use the power adaptor supplied along with the DVR.
c. Please make sure the HDDs are compatible with the DVR. See
d. The HDD could have gone bad.
Q2. Why are there no images output in some or all of the camera windows?
a. Please make sure the resolutions of the cameras are supported by the DVR.
b. Please make sure the network cables of the IP camera and DVR are both connected properly and the
network parameters are set correctly.
c. Please make sure the analog camera is connected properly.
d. Please make sure the network and the switch both work normally.
Q3. The screen has no output after booting the DVR normally.
a. Please make sure the screen, HDMI or VGA cables are good and well connected.
b. Please make sure the screen supports the resolution of 1280*1024, 1920*1080 or 3840*2160 (4K*2K).
The DVR cannot self-adapt to the screen of which the resolution is lower than 1280*1024, and then the
screen will remind you that the screen resolution is not supported by the DVR or just have no display. Please
change a screen at 1280*1024, 1920*1080 or 3840*2160 resolution before booting the DVR.
Q4. Forget your passwords?
The password for admin can be reset through "Edit Security Question" function.
a.
Click "Edit Security Question" button in the login window and then enter the corresponding answer of the
selected question in the popup window, the password for admin will be reset. If you forget the answer of the
question, this way will be invalid, please contact your dealer for help.
The passwords of other users can be reset by admin, please refer to
b.
Q5. The DVR cannot add up to the maximum number of IP cameras?
Take the 16 CH DVR as an example. Some 16 CH DVR support a maximum of 120Mbps bandwidth input
(please take the real device for standard). Refer to the picture below. The remaining bandwidth should be
larger than the bandwidth of the IP camera you want to add, or you would fail to add the IP camera. You
should lower the added cameras' bitrate to release the bandwidth. It is recommended to add cameras by
"Quickly Add" for batch adding.

Appendix A FAQ

85
Appendix C Compatible Device List
for details.
10.1.2 Edit User
DVR User Manual
for details.